Update frontend dependencies

views/highlight.pug

@@ -2,6 +2,7 @@ extends layout
 
 block head
   link(rel='stylesheet', href='https://cdn.jsdelivr.net/prism/1.5.1/themes/prism-coy.css')
+  link(rel='stylesheet', href='https://cdn.jsdelivr.net/prism/1.6.0/plugins/toolbar/prism-toolbar.css')
   link(rel='stylesheet', href='https://cdn.jsdelivr.net/prism/1.5.1/plugins/line-numbers/prism-line-numbers.css')
   style.
     html, body {
@@ -20,11 +21,38 @@ block head
       box-shadow: none;
       display: none;
     }
+    pre.code-toolbar > .toolbar {
+      top: 20px;
+      right: 20px;
+      opacity: .5;
+    }
+    pre.code-toolbar > .toolbar a,
+    pre.code-toolbar > .toolbar button,
+    pre.code-toolbar > .toolbar span {
+      padding: .5rem 1rem;
+      font-size: 1.25rem;
+      color: #fff;
+      background-color: #0275d8;
+      border-color: #0275d8;
+      border-radius: .3rem;
+    }
+    pre.code-toolbar > .toolbar a:hover,
+    pre.code-toolbar > .toolbar a:focus,
+    pre.code-toolbar > .toolbar button:hover,
+    pre.code-toolbar > .toolbar button:focus,
+    pre.code-toolbar > .toolbar span:hover,
+    pre.code-toolbar > .toolbar span:focus {
+      color: #fff;
+      background-color: #025aa5;
+    }
 
 block content
   pre.line-numbers
     code(class='language-' + lang)
       | #{paste}
-  script(src='https://cdn.jsdelivr.net/prism/1.5.1/prism.js')
-  script(src='https://cdn.jsdelivr.net/prism/1.5.1/components/prism-' + lang + '.min.js')
-  script(src='https://cdn.jsdelivr.net/prism/1.5.1/plugins/line-numbers/prism-line-numbers.min.js')
+  script(src='https://cdn.jsdelivr.net/prism/1.6.0/prism.js')
+  script(src='https://cdn.jsdelivr.net/prism/1.6.0/components/prism-' + lang + '.min.js')
+  script(src='https://cdn.jsdelivr.net/prism/1.6.0/plugins/toolbar/prism-toolbar.min.js')
+  script(src='https://cdn.jsdelivr.net/prism/1.6.0/plugins/line-numbers/prism-line-numbers.min.js')
+  script(src='https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/1.7.1/clipboard.min.js')
+  script(src='https://cdn.jsdelivr.net/prism/1.6.0/plugins/copy-to-clipboard/prism-copy-to-clipboard.min.js')

views/index.pug

@@ -8,17 +8,19 @@ block head
       min-height: 100%;
     }
     body {
-      font-family: "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
       margin-bottom: 4rem;
     }
+    body, button, input, optgroup, select, textarea {
+      font-family: "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
+    }
     @media (min-width: 1800px) {
       .container {
-          max-width: 1500px;
+          min-width: 1500px;
       }
     }
     @media (min-width: 2400px) {
       .container {
-          max-width: 1800px;
+          min-width: 1800px;
       }
     }
     .display-3 {
@@ -36,33 +38,38 @@ block head
       bottom: 0;
       line-height: 2rem;
     }
+
 block content
-  main.container.m-t-3.m-x-6
-    h1.display-3.m-b-3 #{title}
+  a(href='https://github.com/JoeBiellik/paste', style='position: absolute; top: 0; right: 0; border: 0;')
+    img(src='https://s3.amazonaws.com/github/ribbons/forkme_right_gray_6d6d6d.png', alt='Fork me on GitHub')
 
-    a(href='https://github.com/JoeBiellik/paste')
-      img(style='position: absolute; top: 0; right: 0; border: 0;', src='https://s3.amazonaws.com/github/ribbons/forkme_right_gray_6d6d6d.png', alt='Fork me on GitHub')
+  main.container.pt-5.mx-6
+    h1.display-3.mb-5 #{title}
 
     form(action='/?redirect', method='POST', accept-charset='UTF-8')
       fieldset.form-group
         textarea.form-control(name='paste', rows='10', required, autofocus)
 
-      select#highlight.custom-select.select-lg.m-t-2.m-r-2(name='highlight')
+      div.row.mt-4
+        div.col-md-auto.col-sm-12
+          select#highlight.custom-select.mt-3(name='highlight')
             option(value='', selected) Choose syntax highlighting
             each val, key in highlights
               option(value=key) #{val}
 
-      select#expire.custom-select.select-lg.m-t-2(name='expire')
+        div.col-md-auto.col-sm-12
+          select#expire.custom-select.mt-3(name='expire')
             option(value='', selected) Choose expiry
             each val, key in expires
               option(value=key) #{val}
 
-      button.btn.btn-primary.btn-lg.m-t-2.m-l-2.pull-md-right(type='submit') Upload
+        div.col.text-md-right
+          button.btn.btn-primary.btn-lg.mt-3(type='submit') Upload
 
   footer.hidden-sm-down
-    pre.text-md-center.text-muted.m-b-0.
+    pre.text-center.text-muted.mb-0.
       echo 'Hello World' | curl -F 'paste=<-' #{url}
 
-  script(src='https://cdnjs.cloudflare.com/ajax/libs/autosize.js/3.0.18/autosize.min.js' integrity='sha256-BnEqLjcr1FPis5CS7xHGpAo7ZmbYrokk0j6/Srd0Rus=', crossorigin='anonymous')
-  script(src='https://code.jquery.com/jquery-3.1.1.min.js', integrity='sha256-hVVnYaiADRTO2PzUGmuLJr8BLUSjGIZsDYGmIJLv2b8=', crossorigin='anonymous')
+  script(src='https://cdnjs.cloudflare.com/ajax/libs/autosize.js/4.0.0/autosize.min.js' integrity='sha256-F7Bbc+3hGv34D+obsHHsSm3ZKRBudWR7e2H0fS0beok=', crossorigin='anonymous')
+  script(src='https://code.jquery.com/jquery-3.2.1.min.js', integrity='sha256-hwg4gsxgFZhOsEEamdOYGBf13FyQuiTwlAQgxVSNgt4=', crossorigin='anonymous')
   script(src='/main.js')

views/layout.pug

@@ -4,7 +4,7 @@ html(lang='en')
     meta(charset='utf-8')
     meta(name='viewport', content='width=device-width, initial-scale=1, shrink-to-fit=no')
     title #{title}
-    link(rel='stylesheet', href='https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.5/css/bootstrap.min.css', integrity='sha256-mIfhv/h3MLq3WSiSlduuZO3saRNzzuf1LK8w3z3l3JY=', crossorigin='anonymous')
+    link(rel='stylesheet', href='https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css', integrity='sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ', crossorigin='anonymous')
 
     block head